Re: [PATCH] cgroup/cpuset: Fix a race between cpuset_attach() and cpu hotplug

[Michal Koutný]

On Fri, Jan 21, 2022 at 06:12:10PM +0800, Zhang Qiao <zhangqiao22@xxxxxxxxxx> wrote:
> Fixes: be367d099270 ("cgroups: let ss->can_attach and ss->attach do whole threadgroups at a time")

What a deep stratigraphy (not sure if it's this one but anything else
would likely come from eras ago too).

> Reported-by: Zhao Gongyi <zhaogongyi@xxxxxxxxxx>
> Signed-off-by: Zhang Qiao <zhangqiao22@xxxxxxxxxx>
> ---
>  kernel/cgroup/cpuset.c | 2 ++
>  1 file changed, 2 insertions(+)

Feel free to include
Reviewed-by: Michal Koutný <mkoutny@xxxxxxxx>